Citrus Valley Gastroenterology offers a full array of gastroenterology services to help you maintain a healthy digestive system. Colonoscopy Flexible Sigmoidoscopy Polyps Endoscopic Ultrasonography Upper Endoscopy Endoscopic Retrograde Cholangiopancreatography Capsule Endoscopy Esophageal Dilation Gastroesophageal Reflux Disease Treatment Percutaneous Endoscopic Gastrostomy Esophageal Testing Diverticulosis Treatment Minor Rectal Bleeding Treatment Barrett's Esophagus Treatment Liver Diseases and Hepatitis Treatments